package com.fengye.algorithms;

import java.util.concurrent.TimeUnit;
import java.util.stream.LongStream;

/**
 * @Author fengye
 * @Date 2023/4/15 7:51
 **/
public class StreamTest {
    public static void main(String[] args) throws InterruptedException {
        long start = System.currentTimeMillis();
        // 流式编程
        long sum = LongStream.rangeClosed(0, 10_0000_0000)
                .parallel().reduce(0, Long::sum);
        System.out.println(sum);

        System.out.println((System.currentTimeMillis() - start));

        TimeUnit.SECONDS.sleep(100000); // 阻塞主线程，让程序不会停止
    }
}
